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Glossary · Nouns · E

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TermTypeDefinitionClassificationsUpdated
Euchrenouna card game similar to ecarteverifiedMay 18, 2026
Eudaemonnouna benevolent spiritverifiedMay 18, 2026
Eudaemonianouna contented state of being happy and healthy and prosperousverifiedMay 18, 2026
Eudaimonianouna contented state of being happy and healthy and prosperousverifiedMay 18, 2026
Eudemonnouna benevolent spiritverifiedMay 18, 2026
Eudemonismnounan ethical system that evaluates actions by reference to personal well-being through a life based on reasonverifiedMay 18, 2026
Eudiometernounmeasuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gasesverifiedMay 18, 2026
Eugenicsnounthe study of methods of improving genetic qualities by selective breeding (especially as applied to human mating)verifiedMay 18, 2026
Euglenanounminute single-celled green freshwater organism having a single flagellaverifiedMay 18, 2026
Euglenidnounmarine and freshwater green or colorless flagellate organismverifiedMay 18, 2026
Euglenoidnounmarine and freshwater green or colorless flagellate organismverifiedMay 18, 2026
Euglenophytenounmarine and freshwater green or colorless flagellate organismverifiedMay 18, 2026
Eukaryotenounan organism with cells characteristic of all life forms except primitive microorganisms such as bacteriaverifiedMay 18, 2026
Eulogistnounan orator who delivers eulogies or panegyricsverifiedMay 18, 2026
Eulogiumnouna formal expression of praise for someone who has died recentlyverifiedMay 18, 2026
Eulogynouna formal expression of praise for someone who has died recentlyverifiedMay 18, 2026
Eunuchnouna man who has been castrated and is incapable of reproductionverifiedMay 18, 2026
Eunuchoidismnounthe state of being a eunuch (either because of lacking testicles or because they failed to develop)verifiedMay 18, 2026
Euphemismnounan inoffensive or indirect expression that is substituted for one that is considered offensive or too harshverifiedMay 18, 2026
Euphoniumnouna bass horn (brass wind instrument) that is the tenor of the tuba familyverifiedMay 18, 2026
Euphonynounany agreeable (pleasing and harmonious) soundsverifiedMay 18, 2026
Euphorbiumnounan acrid brown gum resin now used mainly in veterinary medicineverifiedMay 18, 2026
Euphorianouna feeling of great (usually exaggerated) elationverifiedMay 18, 2026
Euphorynouna feeling of great (usually exaggerated) elationverifiedMay 18, 2026
Euphuismnounan elegant style of prose of the Elizabethan periodverifiedMay 18, 2026
Eupneanounnormal relaxed breathingverifiedMay 18, 2026
Eupnoeanounnormal relaxed breathingverifiedMay 18, 2026
Eurhythmicsnounthe interpretation in harmonious bodily movements of the rhythm of musical compositionsverifiedMay 18, 2026
Eurhythmynounthe interpretation in harmonious bodily movements of the rhythm of musical compositionsverifiedMay 18, 2026
Euronounthe basic monetary unit of most members of the European Union (introduced in 1999)verifiedMay 18, 2026
Eurobabblenounthe jargon of European community documents and regulationsverifiedMay 18, 2026
Eurocentrismnounbelief in the preeminence of Europe and the EuropeansverifiedMay 18, 2026
Euronithopodnounwidespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)verifiedMay 18, 2026
Europiumnouna bivalent and trivalent metallic element of the rare earth groupverifiedMay 18, 2026
Eurypteridnounlarge extinct scorpion-like arthropod considered related to horseshoe crabsverifiedMay 18, 2026
Eurythmicsnounthe interpretation in harmonious bodily movements of the rhythm of musical compositionsverifiedMay 18, 2026
Eurythmynounthe interpretation in harmonious bodily movements of the rhythm of musical compositionsverifiedMay 18, 2026
Eusporangiumnouna sporangium that arises from a group of epidermal cellsverifiedMay 18, 2026
Eutecticnouna mixture of substances having a minimum melting pointverifiedMay 18, 2026
Eutectoid SteelnounMWEa steel that contains 0.9% carbon (the eutectic point)verifiedMay 18, 2026
Euthanasianounthe act of killing someone painlessly (especially someone suffering from an incurable illness)verifiedMay 18, 2026
Euthenicsnounthe study of methods of improving human well-being and efficient functioning by improving environmental conditionsverifiedMay 18, 2026
Eutherian MammalnounMWEmammals having a placentaverifiedMay 18, 2026
Eutrophicationnounexcessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant lifeverifiedMay 18, 2026
Evnouna unit of energy equal to the work done by an electron accelerated through a potential difference of 1 voltverifiedMay 18, 2026
Evacuationnounthe bodily process of discharging waste matterverifiedMay 18, 2026
Evacueenouna person who has been evacuated from a dangerous placeverifiedMay 18, 2026
evaluationnounAct of ascertaining or making a judgment about the amount, number, value, or worth of something.ProcessMay 12, 2026
Evaluation Assurance LevelnounMWESet of assurance requirements that represent a point on the Common Criteria predefined assurance scale.RequirementRegulatedMay 12, 2026
Evaluation Products ListnounMWEList of validated products that have been successfully evaluated under the National Information Assurance Partnership (NIAP) Common Criteria Evaluation and Validation Scheme (CCEVS).ArtifactPublicPublicInfoMay 12, 2026
Evaluatornounan authority who is able to estimate worth or qualityverifiedMay 18, 2026
Evanescencenounthe event of fading and gradually vanishing from sightverifiedMay 18, 2026
Evangelnounthe four books in the New Testament (Matthew, Mark, Luke, and John) that tell the story of Christ's life and teachingsverifiedMay 18, 2026
Evangelicalismnounstresses the importance of personal conversion and faith as the means of salvationverifiedMay 18, 2026
Evangelismnounzealous preaching and advocacy of the gospelverifiedMay 18, 2026
Evangelistnouna preacher of the Christian gospelverifiedMay 18, 2026
Evaporated MilknounMWEmilk concentrated by evaporationverifiedMay 18, 2026
Evaporationnounthe process of extracting moistureverifiedMay 18, 2026
Evaporative CoolernounMWEa cooling system that cools by evaporationverifiedMay 18, 2026
Evaporitenounthe sediment that is left after the evaporation of seawaterverifiedMay 18, 2026
Evaporometernounan instrument that measures rate of evaporation of waterverifiedMay 18, 2026
Evasionnounthe act of physically escaping from something (an opponent or a pursuer or an unpleasant situation) by some adroit maneuververifiedMay 18, 2026
Evasive ActionnounMWEan action aimed at evading an opponentverifiedMay 18, 2026
Evasive AnswernounMWE(law) an answer by a defendant that fails to admit or deny the allegations set forth in the complaintverifiedMay 18, 2026
Evasivenessnounintentionally vague or ambiguousverifiedMay 18, 2026
Evenounthe latter part of the day, the period of decreasing daylight from late afternoon until nightfallverifiedMay 18, 2026
Even ChancenounMWEan unpredictable phenomenonverifiedMay 18, 2026
Even SpacingnounMWEregularity of spacingverifiedMay 18, 2026
Even-Pinnate LeafnounMWEa pinnate leaf with a pair of leaflets at the apexverifiedMay 18, 2026
Even-Toed UngulatenounMWEplacental mammal having hooves with an even number of functional toes on each footverifiedMay 18, 2026
Evenfallnounthe time of day immediately following sunsetverifiedMay 18, 2026
Eveningnounthe latter part of the day, the period of decreasing daylight from late afternoon until nightfallverifiedMay 18, 2026
Evening BagnounMWEa handbag used with evening wearverifiedMay 18, 2026
Evening ClothesnounMWEattire to wear on formal occasions in the eveningverifiedMay 18, 2026
Evening DressnounMWEattire to wear on formal occasions in the eveningverifiedMay 18, 2026
Evening GownnounMWEa gown for evening wearverifiedMay 18, 2026
Evening LychnisnounMWEbluish-green herb having sticky stems and clusters of large evening-opening white flowers with much-inflated calyxverifiedMay 18, 2026
Evening PrimrosenounMWEany of several plants of the family OnagraceaeverifiedMay 18, 2026
Evening ShiftnounMWEthe period of work during the evening, for example 4 p.m. to midnightverifiedMay 18, 2026
Evening ShirtnounMWEa man's white shirt (with a starch front) for evening wear (usually with a tuxedo)verifiedMay 18, 2026
Evening StarnounMWEa planet (usually Venus) seen at sunset in the western skyverifiedMay 18, 2026
Evening Trumpet FlowernounMWEpoisonous woody evergreen vine of southeastern United States having fragrant yellow funnel-shaped flowersverifiedMay 18, 2026
Evening-Primrose FamilynounMWEa large and widely distributed family of plants of the order MyrtalesverifiedMay 18, 2026
Evening-Snownounsmall California annual with white flowersverifiedMay 18, 2026
Eveningwearnounattire to wear on formal occasions in the eveningverifiedMay 18, 2026
Evennessnouna quality of uniformity and lack of variationverifiedMay 18, 2026
Evensongnouna daily evening service with prayers prescribed in the Book of Common Prayer of the Anglican ChurchverifiedMay 18, 2026
eventnounAny observable occurrence in a system and/or network. Events sometimes provide indication that an incident is occurring.EventMay 9, 2026
event datanounMWEAny data that you want to measure about an event.DataMay 9, 2026
event informationnounMWEThe data fields and information that needs to be captured during monitoring so that the organization knows what happened when the event was triggered.ArtifactMay 9, 2026
event lognounMWEA basic resource that helps provide information about network traffic, usage and other conditions. An event log stores these data for retrieval by security professionals or automated security systems to help network administrators manage various aspects such as security, performance and transparency.ArtifactRegulatedMay 9, 2026
event loggingnounMWEThe purpose of this task is to record the actions performed on a system.ArtifactRegulatedMay 9, 2026
Event PlannernounMWEsomeone who plans social events as a profession, usually for government or corporate officialsverifiedMay 18, 2026
Eventidenounthe latter part of the day (the period of decreasing daylight from late afternoon until nightfall)verifiedMay 18, 2026
Eventrationnounprotrusion of the intestine through the abdominal wallverifiedMay 18, 2026
Eventualitynouna possible event or occurrence or resultverifiedMay 18, 2026
Evergreen BeechnounMWEany of various beeches of the southern hemisphere having small usually evergreen leavesverifiedMay 18, 2026
Evergreen BittersweetnounMWEbroad and bushy Asiatic twining shrub with pinkish fruitverifiedMay 18, 2026
Evergreen BlueberrynounMWEshrub of the eastern United States having shining evergreen leaves and bluish-black fruitverifiedMay 18, 2026
Evergreen CherrynounMWECalifornia evergreen wild plum with spiny leathery leaves and white flowersverifiedMay 18, 2026